BD+25_1981

  • G9-16 in T.Gehren+,AAP, 451, 1065, 2006

    • taken from 2 paper(s):

    /A.M.Boesgaard(2007)/ /T.Gehren et al.(2006)/

    A.M.Boesgaard et al.,ApJ, 667, 1196, 2007(ADS)

    Beryllium in Ultra-Lithium-Deficient Halo Stars:The Blue Straggler Connection


    Stellar Parameters

    Teff : 6811+-40 log g : 4.00+-0.40 vturb : 1.5

    Chemical Abundances

    Original Data Converted Data Asplund et al. (2009)
    Element Nline [X/H] [X/Fe] log-e [X/H] [X/Fe] log-e Element
    LiN/A......<1.75<-1.51<-0.25<1.75Li
    BeN/A......-0.90-2.28-1.02-0.90Be
    FeN/A-1.26+-0.10......-1.26+-0.10...6.24+-0.10Fe

    Position

    Right Ascension : 08 44 24.69 Declination : +24 47 47.7 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

    Observing Log

    Date of Observation JD Facility Resolution S/N Exposure Time Vrad
    2004-11-07 N/A KECKHIRES 46000 170 30 N/A
    2005-01-31 N/A KECKHIRES 46000 160 30 N/A

    T.Gehren et al.,AAP, 451, 1065, 2006(ADS)

    Na, Mg and Al abundances as a population discriminant for nearby metal-poor stars


    Stellar Parameters

    Teff : 6820 log g : 4.11+-0.23 vturb : 2.2

    Chemical Abundances

    Original Data Converted Data Asplund et al. (2009)
    Element Nline [X/H] [X/Fe] log-e [X/H] [X/Fe] log-e Element
    Na I4...0.22...-1.160.305.08Na I
    Mg I4...0.39...-1.100.366.50Mg I
    Al I1...-0.55...-2.00-0.544.45Al I
    FeN/A-1.47......-1.46...6.04Fe

    Position

    Right Ascension : 08 44 24.69 Declination : +24 47 47.7 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

    Observing Log

    Date of Observation JD Facility Resolution S/N Exposure Time Vrad
    N/A FOCES 40000 200 2400 N/A